@Paul De Luca had a good idea otherwise maybe it is worth check with a tax attorney to see if they have any good ideas or websites that pull all of that data.  

The percentage to GP seems way too high especially if the GPs have no capital invested (LPs have all the risk).good luck

ACTUALLY (insert mansplaining guy here) Plenty of title companies provide pre-foreclosure data but you are gonna have to call a ton of companies and learn how to ask.

This site will also give you neighborhood data such at school ratings and other info. 

As noted by Ben, I highly advise that you target single-family homes with in-law suites or additional living space that can be converted into a separate unit and sourced as an STR via Airbnb or on another short-term rental platform.

IMO, flipping is all about speed.....

I highly recommend starting by tuning in to the BiggerPockets podcast.

si=98b6...STR Data Labhttps://open.spotify.com/show/1rmrUzZvWW4AiJkwTxxuzx?

Search property data for properties with high equity & perhaps out of area owners or elderly owners & contact them to introduce yourself as a local hoping to find another rental property.

I know Detroit is different than Grand Rapids, but that my only data point close to Grand Rapids right now.